Federacion

Founding and First Mentions

The history of Federación is unique in that the city has effectively experienced three births. Its origins date back to 1777, when the Mandisoví estancia was established under the leadership of Juan de San Martín. Later, in 1810, Manuel Belgrano passed through these lands and recognized the importance of the settlement.

The official founding date of the city under its modern name is considered to be 1847. It was then that General Justo José de Urquiza decided to move the Mandisoví settlement to the banks of the Uruguay River and rename it Federación in honor of the Federalist movement, which played a key role in Argentine politics at the time.

Key Factors of Development

The city's evolution was determined by a combination of geographical advantages and political will:

• Geography and Water Resources: Its location on the banks of the Uruguay River provided the city with access to water and transport routes, which were critical for trade and communication in the 19th century.
• Political Influence: Urquiza's decision to move and rename the city gave it a new status and attracted the attention of the Entre Ríos provincial authorities.
• The Relocation Phenomenon: The historical fate of Federación is inextricably linked to forced relocations. The latest and largest move occurred in the late 1970s due to the construction of the Salto Grande dam, when the old city was flooded and a new one was built from scratch nearby.

Early Cultural and Economic Characteristics

In the first decades of its existence, the economy of Federación was based on industries traditional to the region. Livestock farming, typical of the estancias in Entre Ríos Province, played the leading role. Timber harvesting was also developed, with logs being floated down the river.

The cultural environment was formed under the influence of gaucho traditions and the Catholic faith. As an important point on the regional map, the city gradually became a center of attraction for settlers, laying the foundation for the community that would later, in the 20th century, be able to rebuild its city in a new location.

Major Milestones in the History of Federación

• 1777: Juan de San Martín founds the Mandisoví estancia, becoming the first organized settlement in this territory.
• 1810: General Manuel Belgrano passes through the settlement during his campaign to Paraguay, noting its strategic importance.
• 1847: By order of General Justo José de Urquiza, the city is moved to the banks of the Uruguay River and receives its modern name, Federación.
• 1946: Argentina and Uruguay sign an agreement for the joint use of the Uruguay River, foreshadowing the future construction of a dam.
• 1974: Construction begins on the Salto Grande hydroelectric plant, whose flooding zone includes the territory of the historic city.
• 1977: The foundation stone is laid for the "New City" (Nueva Federación) on safe high ground.
• 1979: On March 25, the official opening of New Federación takes place, where residents of the old city were relocated in an organized manner.
• 1979: The waters of the Salto Grande reservoir finally flood the old city, leaving only ruins beneath the surface.
• 1994: A well is successfully drilled to a depth of 1,268 meters, discovering hot thermal waters.
• 1997: The grand opening of the Federación Thermal Park takes place, transforming the city into a popular tourist resort.
• 2010s: The city continues to develop its infrastructure, opening a water park and expanding recreation areas for the growing flow of tourists.

Key Stages of the City's Transformation

The history of Federación is a series of fundamental changes, each completely altering the way of life and the appearance of the settlement. Below are the main milestones that defined the city's modern status:

• Founding of Mandisoví and Trade Routes (18th Century). The importance of this stage lies in the formation of the first organized community on a trade route. This laid the foundation for the development of livestock farming and the transformation of the region into an important transport hub.
• Access to the Uruguay River (1847). General Urquiza's decision to move the city to the water gave a powerful boost to the economy. The river became the main transport artery, allowing for the export of local products and strengthening the city's political status as a center of federalism.
• Development of the Timber and Citrus Industries (Mid-20th Century). Before the dam was built, the city's economy was based on logging and citrus farming. This shaped the working class and defined the agricultural character of the region for decades.
• The "New City" Urban Experiment (1979). Building a city from scratch was a unique urban planning project. Unlike the old colonial "checkerboard" layout, the new Federación was designed with functional zoning, wide avenues, and a "garden city" concept, making it more comfortable for living.
• Social Transformation and Identity. The forced relocation due to the flooding of the old city brought the residents together. This transformative experience shaped a unique local culture of resilience and a careful attitude toward historical memory, which is reflected in numerous museums and monuments.
• The Thermal Revolution (1994). The discovery of hot groundwater was a turning point in recent history. This event allowed for economic diversification, reorienting it from agriculture to the service sector and wellness tourism.
• Integration with the Salto Grande Reservoir. The creation of the artificial lake changed the landscape and climate. The city gained an extensive coastline, which was developed into beaches and promenades, turning Federación into a center for water sports.

Unique Urban Planning Project

Federación's architectural character is unique in Argentina. Unlike most cities that evolved spontaneously over centuries, modern-day Federación is the result of large-scale planned urban development from the late 20th century. After the old settlement was flooded, the new city was built almost from scratch between 1977 and 1979, providing it with a rare stylistic cohesion.

Architectural Styles and Eras

The urban environment is dominated by trends typical of the second half of the 20th century, with an emphasis on creating a comfortable living environment:

• Late Modernism and Rationalism (1970s): The foundation of the "New City." The layout moves away from the traditional Spanish "checkerboard" grid (damero) in favor of a "garden city" concept. Residential areas feature functional chalet-style houses and bungalows using brick, wood, and tiles. The buildings are characterized by concise forms and a lack of excessive decoration.
• Modern Resort Architecture (1990s to present): After the discovery of thermal springs, the city began to be developed with hotels, spa complexes, and apartment hotels. This style is characterized by the use of panoramic glazing, lightweight structures, and facades oriented toward Lake Salto Grande to create scenic viewpoints.

Iconic Buildings and Districts

Several key landmarks shape the city's appearance, reflecting its new history and tourist status:

• Parish of the Immaculate Conception (Parroquia Inmaculada Concepción): The main architectural symbol of the new Federación. The temple is built in a modern style with elements of structural expressionism. It is distinguished by its bold pyramidal shape, resembling a tent or hands folded in prayer, which contrasts sharply with the classical colonial churches of the region.
• Civic Center (Centro Cívico): A complex of administrative buildings designed in a strict functional style. It houses the main government institutions, interconnected by well-designed pedestrian zones and plazas.
• Thermal Park: A large-scale example of landscape architecture, where pools and recreational areas are organically integrated into the natural terrain, creating a unified ensemble with the city's waterfront.

Prominent Figures in the History of Federación

The city's history is inextricably linked to the names of great statesmen, military leaders, and local heroes whose decisions and actions shaped the unique destiny of this place.

• Juan de San Martín (1728–1796)
  Role: Spanish military officer, administrator, father of José de San Martín.
  Significance: While serving as the governor of the Yapeyú department, he founded the Mandisoví estancia in 1777—the first organized settlement that became the predecessor to the modern city. His farsighted decision to create an outpost on the trade route laid the foundation for the region's future development.
• Manuel Belgrano (1770–1820)
  Role: General, creator of the Argentine flag, member of the Primera Junta.
  Significance: During his expedition to Paraguay in 1810, he recognized the strategic importance of Mandisoví. He issued a historical document known as the "Belgrano Decree" (Decreto Belgraniano), which granted the settlement official status, defined its boundaries, and outlined a plan for urban development, including the construction of a school and a church.
• Justo José de Urquiza (1801–1870)
  Role: Governor of Entre Ríos Province, first constitutional president of Argentina.
  Significance: The initiator of radical changes. In 1847, he ordered the relocation of the Mandisoví settlement to the banks of the Uruguay River and personally renamed it Federación (Pueblo de la Federación), thus immortalizing the ideals of federalism for which he fought.
• Miguel Guarumba (1810–1890)
  Role: Colonel, Guarani caudillo.
  Significance: A legendary figure for the local population. As a leader of the indigenous residents, he supported the Federalists and played a key role in the organized relocation of residents from old Mandisoví to the new city in 1847. His image is immortalized on the city's coat of arms (Guarumba’s spear), symbolizing the connection between eras and cultures.
• Teodoro Egaña
  Role: Topographer.
  Significance: Developed the first master plan for the "Old City" (Vieja Federación) in 1847. It was he who designed the "checkerboard" street grid around the main square, typical of colonial cities, which defined the city's appearance until its flooding in 1979.
• Gregorio de Soto
  Role: Administrator of Yapeyú.
  Significance: The direct executor of Juan de San Martín's order. He physically supervised the creation of the Mandisoví estancia and organized the construction of the first corrals and infrastructure, which secured the presence of settlers on this land.
• Juan Luis "Juancho" Garcilazo (1919–200?)
  Role: Folk musician, local folklore character.
  Significance: A symbol of the city's vitality and 20th-century culture. He became famous for his unique talent for performing melodies using an ordinary tree leaf. The city's main amphitheater is named in his honor, where major cultural events are held annually, including the National Lake Festival.